YCT Multi-state Assessment 



February 10,2003 



Isolation 

 Demographics 



Population size 



Temporal 

 Variability 



Genetics 



0% 



Metapops 



by % of 



total length 



occupied (mi.) 



20% 40% 60% 80% 100% 



Figure 8. Proportions of miles occupied by designated "isolet" (top) and metapopulation 



(bottom) Yellowstone cutthroat trout conservation populations ranked into low to high 

 levels of risk by risk factor (vertical axes). 



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